Home / 266,759,648.76-400,083,485.94-75,238,635

Finding the Fourth Proportional to 266,759,648.76, 400,083,485.94 and 75,238,635

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Solution

The fourth proportional to 266,759,648.76, 400,083,485.94 and 75,238,635 is: 112,842,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,759,648.76 : 400,083,485.94 = 75,238,635 : x
  2. Step 2: Convert to fraction form
    266,759,648.76/400,083,485.94 = 75,238,635/x
  3. Step 3: Cross multiply
    266,759,648.76x = 400,083,485.94 × 75,238,635
  4. Step 4: Simplify right side
    266,759,648.76x = 30,101,735,368,167,292
  5. Step 5: Solve for x
    x = 30,101,735,368,167,292/266,759,648.76
  6. Step 6: Final answer
    x = 112,842,161.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.